Transcript for Frustration on the Border as More Mothers and Children Pour Into the US

news Facebook page. Now, the news of all the mothers and children coming to our southern border. Today, president Obama warned he'll act alone. Today, Jim Avila finds a 7-year-old as he patrols the border. Reporter: Vacation eve for congress. But on the Rio grand, it's just another day. 38 days from now, another 5,700 unaccompanied minors are expected. We got a raft coming across. Reporter: They aren't hard to catch. They often turn themselves in as soon as they hit the northern shore of the river. This boy is seasven, making the trip with an older brother. The administration had hoped to pay for the surge with emergency funding from congress, but it's not coming. So, they will be forced to drop people at bus stations. It's not just new paint on the walls. The names have changed. The cells are suites. The detainees are residents. The guards are resident advisors. And the desperation remains real. The violence doesn't allow us to go to school. That's why we're coming over here. Reporter: No matter how pretty the sunset over the river, the work to protect the border is relentless and going broke. Jim Avila, ABC news. And news about the unemployed americanins going back to work.

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